Maple Creek #3 Slurry Pond #2 Reservoir Report

Last Updated: December 5, 2025

Maple Creek #3 Slurry Pond #2 is a privately-owned dam located in Carroll Township, Pennsylvania, along the TR Pigeon Creek.


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Summary

This Earth-type dam stands at a height of 83 feet with a length of 1230 feet, providing a storage capacity of 3466 acre-feet and covering a surface area of 65.8 acres. The dam is regulated and permitted by the Pennsylvania Department of Environmental Protection, with state inspections and enforcement ensuring its safety and compliance with regulations.

Despite being classified as having a high hazard potential, the condition assessment of Maple Creek #3 Slurry Pond #2 is deemed satisfactory, with the last inspection conducted in April 2020. The dam's primary purpose and design as an Earth-type structure with a buttress core make it essential for water resource management in the area. With a drainage area of 0.15 square miles, the dam plays a crucial role in flood control and water storage along Pigeon Creek, highlighting its significance in the local watershed and climate resilience efforts.

As a vital piece of infrastructure in Washington County, Pennsylvania, Maple Creek #3 Slurry Pond #2 serves as a key component in the region's water resource management strategy. Its regulated status, satisfactory condition, and high hazard potential underscore the importance of ongoing monitoring and maintenance to ensure the safety and effectiveness of this Earth dam in protecting the surrounding community and environment from potential risks and impacts of extreme weather events and climate change.

Dam Length

1230

Dam Height

83

River Or Stream

TR PIGEON CREEK

Primary Dam Type

Earth

Surface Area

65.8

Drainage Area

0.15

Nid Storage

3466

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

83
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.